- Rii K22 Wireless Touch Keyboard Review, Specifications, and Features.
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Rii K22 Wireless Touch Keyboard
The Rii K22 Wireless Keyboard is a three-in-one 2.4GHz multimedia wireless keyboard with an ultra-thin design. It features soft-to-press keys next to a large (3.35 x 2.95 inches) touchpad surface with easy-to-access volume controls and arrow keys with a unique dotted scroll screen design that minimizes the user learning curve when operating the product.
Product Highlights
- All in one: Multimedia wireless keyboard integrated with a Touchpad.
- Touchpad Mouse function: easy-to-access volume controls and arrow keys with a special dotted scroll screen design.
- Ergonomically designed, small, and portable.
- Range: Up to 10 m (33 ft) wireless control range.
- Ultra-thin lightweight design (19.3mm includes legs height).
- Auto-connect to MacBook iOS and Raspberry Pi. s through 2.4g wireless.
- Supports all devices with a standard USB port.
- 2.4G wireless mini QWERTY keyboard and Touchpad combo.
- Adopts high-quality Capacitive touch sensation quality.
- Built-in rechargeable polymer lithium-ion battery
- Material: Made of aviation-grade 7000 series aluminum alloy, anodized.
- Power saving mode: After 3 minutes, automatically enters sleep mode to conserve power.
- Compatible with PCs, laptops, smart TVs, MacBook, Raspberry Pi, macOS, Linux, HTPC, X360, Android Box, IPTV, Google Android Smart TV Box, XBMC, Windows 2000 XP Vista 7, 8, 10.
Rii K22 Specifications
General | Brand: Rii Type: Wireless Model: K22 Color: Black |
Specification | Processor(MCU): BEKEN2535 Bluetooth version: DSSS 2.4G wireless, up to 10 meters Working frequency band: 2.402GHz -2.480GHz,ISM Complies with/Supports: Windows 8.1 above, Android 5.0 above/Mac OS/IOS/OSX Transmission distance: Up to 10m TX power: Less than 0 ~ +4 dBm Receiving sensitivity: -93dB Input voltage: 3.7V Charging current: 120mA Working Current: <7mA Sleeping Current: <50uA |
Weight & Dimensions | Product Weight: 0.385g Product Dimensions: 295x137x19.3mm/11.6*5.4*0.76in Package Weight: 0.491g Package Dimensions: 354.2*156*25mm |
Package Contents | 1 x K22 Wireless keyboard 1 x USB Charging Cable 1 x User Guide |
Comparing K2 Models ( 2.4G vs. 2.4G&BT)
Product Photo | ||
Model Name | K22 | |
Models | 2.4G | 2.4G& BT |
All Metal Body (Shell) | ||
2.4G | ||
Bluetooth | ||
Touch Pad | ||
Two Buttons Touch Pad | ||
On/Off Button | ||
Bluetooth/2.4G Indicator Lights | ||
Package Content | • x1 User Manual | |
Compatibility | Compatible with PC, laptop, Raspberry PI, macOS, Linux, HTPC, X360, Android Box, IPTV, Google Android Smart TV Box, Kodi (XBMC), Windows 2000 XP, Vista 7, 8, 10 (Not applicable to Bluetooth devices such as Amazon Fire TV!). | |
Power (DC) | 3.7V/ 120mA via USB-C / micro USB | |
Dimensions | 295x137x19.3mm | |
Weight | 0.385g | 0.385g |
Design Changes
Both K22 keyboard’s exterior designs are almost identical, except for a few minor changes. The Connectivity indicator lights remain located on top of the Touchpad. The dual mode model now has two operation modes status lights—one for Bluetooth and a second for 2.4G.



The Package





Unboxing the K22 Keyboard (BT& 2.4G Model)
Package Content:
- 1x K22 Keyboard.
- 1x USB Type-C Charging Cable.
- 1x User Guide






Applications
The Rii K22 Wireless Keyboard can be used in various environments and applications such as a living room, connect to TV connection to computers, laptops, and smart TVs. MacBook iOS and Raspberry Pi. Compatible with PC, laptop, Raspberry PI, macOS, Linux, HTPC, X360, Android Box, IPTV, Google Android Smart TV Box, Kodi (XBMC), Windows 2000 XP, Vista 7, 8, 10 (Not applicable to Bluetooth devices such as Amazon Fire TV!).
Design
The K22 keyboard comes with a micro USB standard interface for charging the unit via a built-in rechargeable lithium-ion battery with a long-lasting battery life of more than 20 months. The keyboard keycap is made of UV technology made of wear-resistant double letters that are not easily worn away. The Keycap adopts an X-shaped structure design, Keycap 15mm * 15.5mm; The bottom shell material is made of aviation-grade 7000 series aluminum alloy, anodized, lightweight, ultra-thin Ergonomically designed smart TV keyboard, small and portable.







Operation
The K22 has an Ultra-thin design. It comes with a USB receiver and can operate at distances of 10 m (33 ft) range. On top of that, it supports Bluetooth connectivity without dongle assistance. It has advanced power management that switches the device into (auto-sleep) low consumption mode after 3 minutes and resumes regular operation after pressing any button on the keyboard.
Rii K22 Wireless Keyboard

Zoom in and out of Google Maps
The K22 keyboard comes with a fast, responsive touchpad that can, amongst many possible uses. It can be used with popular mapping services such as bing and google maps, mainly to orient inside the displayed maps and use the zoom-in and out functions. On top of that, you can use nine different finger touch gestures, including scrolling up /down and finger tapping.
Touchpad gestures (Quick Demo)
As shown in the video below, By Placing two fingers on the touchpad and pinching in or stretching out, you can zoom into an object.
Using K22 touch surface with Google Maps via a web browser.
The K22 keyboard is also an idle pick for Mini PCs, Smart TVs, and single-board computers such as the Raspberry Pi/ Orange Pi/ or Banana Pi brand boards. It doesn’t take too much space, and it’s basic plug & play. You connect the dongle to the USB Host port device and are ready to go.
The K22 keyboard: Connected to an Orange Pi 4 LTS single-board computer.

Bluetooth Pairing
Operation is very straightforward. To enter Bluetooth pairing mode, you must first enable Bluetooth discovery on the controlled device. For example, you can use the keyboard on Smart TVs, Mini PC, or Android Setup-box. To Enter into BT mode, you will need to press the combination key of the FN+Tab for about 2-3 seconds until the green BT light turns on. At this point, you should be able to see the keyboard under the name RTL21 BLE Keyboard. Once you click on the device name, Your K22 is connected and ready to be used.
K22 BT Pairing | Himedia Q5 Pro Android box



Price and Availability
The Rii K22 keyboard is available in two versions in Rii Amazon Store. The first one, with only 2.4G connectivity, costs about $24.99, and the multi-mode edition, which includes Bluetooth and 2.4G, sells for $32.99. Both options are good, but we recommend purchasing the multi-mode edition, which lets you “enjoy both” worlds and use the keyboard to control appliances without a USB dongle by enabling the BT settings and directly connecting with the controlled device.
Buy Links.
- Metal Body
- Easy to use
- Touchpad surface
- Price
- Top Quality
- No Backlit Buttons